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PartsTable / COMPONENT / 4T-LM11949LM11910
4T-LM11949LM11910 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The BEARING,ROLLER,TAPERED is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL OVERALL, cup_width: 0.4750 INCHES NOMINAL IN, cone_width: 0.6350 INCHES NOMINAL IN, bore_diameter: 0.7500 INCHES NOMINAL IN, overall_width: 0.6550 INCHES NOMINAL IN, standout_width: 0.1350 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-022-8839, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
4T-LM11949LM11910
NSN: 3110-01-022-8839
FSC: 3110
CAGE: 23803 — N T N BEARING CORP OF AMERICA (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width0.4750 INCHES NOMINAL IN
cone_width0.6350 INCHES NOMINAL IN
bore_diameter0.7500 INCHES NOMINAL IN
overall_width0.6550 INCHES NOMINAL IN
standout_width0.1350 INCHES NOMINAL IN
special_featuresBEARING IS FURNISHED WITH METAL DUST COVER
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.0500 INCHES NOMINAL IN
backface_corner_radius0.0500 INCHES NOMINAL IN
overall_outside_diameter1.7810 INCHES NOMINAL IN
retainer_fabrication_methodMOLDED
NSN3110-01-022-8839
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 4T-LM11949LM11910 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: STEEL OVERALL
•
BACKFACE CORNER RADIUS: 0.0500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
RETAINER FABRICATION METHOD: MOLDED
•
BORE DIAMETER: 0.7500 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.0500 INCHES NOMINAL IN
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
BACKFACE CORNER RADIUS0.0500 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
RETAINER FABRICATION METHODMOLDED
BORE DIAMETER0.7500 INCHES NOMINAL IN
SPECIAL FEATURESBEARING IS FURNISHED WITH METAL DUST COVER
CONE CORNER RADIUS0.0500 INCHES NOMINAL IN
OVERALL WIDTH0.6550 INCHES NOMINAL IN
CUP WIDTH0.4750 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER1.7810 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
8-08436-809Interchangeable
interchangeable cross-reference
interchangeable
50053-4Interchangeable
interchangeable cross-reference
interchangeable
8-08436-805Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4T-LM11949LM11910?
4T-LM11949LM11910 is a BEARING,ROLLER,TAPERED.
What parts can replace 4T-LM11949LM11910?
There are 3 known substitutes for 4T-LM11949LM11910: 8-08436-809, 50053-4, 8-08436-805. Substitute compatibility should be verified for your specific system.
What is the NSN for 4T-LM11949LM11910?
4T-LM11949LM11910 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-022-8839. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026